package Servlet;

import Interface.Shop;
import SqlClass.ShopAll;
import com.alibaba.fastjson.JSON;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

@WebServlet("/SelectAllShop")
public class SelectAllShop extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        super.doGet(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        String resource = "SqlMapperConfig.xml";
        InputStream inputStream = Resources.getResourceAsStream(resource);
        SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
        SqlSession session=sqlSessionFactory.openSession(true);//拿到mybaits session对象,并关闭事务
        Shop map =session.getMapper(Shop.class);//拿到sql的映射接口
        List<ShopAll> data =map.SelectAllShop();
        String JD= JSON.toJSONString(data);
        resp.setCharacterEncoding("utf-8");
        System.out.println(JD);
        resp.getWriter().write(JD);
    }
}
